Pocket prophylaxis dental unit



1943- M. J. MOLUMBY ETAL 2,455,600

POCKET PROPHYLAXIS DENTAL UNIT Filed Dec. 21, 1945' Inventor waif/Yell J1%] 107135 J/ 18017 I. flolu fi j- Patented Doc. 7, .1948

Matthew J.

Molumby and Leon F. Molu'mby,

West Union, Iowa Application December 21, 1945, Serial No, 636,468 3Claims. (01. 132-84) The invention as described herein, and illustratedin the accompanying drawings, consists of r a compact pocket prophylaxisdental unit, an obcompact case of barrel form and provided with acompartment for a tooth cleanser and a compartmerit within which atooth-brush is telescopically mounted.

Gther features and advantages will become more readily apparent from thefollowing description and the accompanying illustrative drawings inwhich:

Figure 1 is an elevational view of the compact.

Figure 2 is an end view thereof,

Figure 3 is an enlarged longitudinal sectional elevational view,

Figure 4 is an elevatlonal view, certain parts being removed and otherparts shown in adjusted position,

Figure 5 is a sectional view on line 5-5 of Figure 4, and v Figure 6 isa similar view on line 5--3 of Figure 3.

While one embodiment of the invention is illustrated in the abovereferred to drawings, it is to be understood that they are merely forthe purpose of illustration and that various changes in construction maybe resorted to in the course of manufacture in order that theinventionmay be utilized to the best advantage according tocircumstances which may arise, without in any way departing from thespirit and intention of the device, which is to be limited only inaccordance with the appended claims. And while there is stated theprimary field of utility of the invention it remains obvious that it maybe employed in any other capacity wherein may be found applicable.

In the accompanying drawings, and in the following specification. thesame reference characters are used to designate the same par-ts andelements throughout and in which It, refers to the invention in itsentirety and l I, indicates a barrel divided into two compartments I2and I3, by a wall ll. Caps l5 and I6, are screw-threaded upon each endI1 and ll, of the barrel. The compartment I3 is adapted to receive acontainer I3, 01' dentriiice.

A pin 25, is projected through a bore 26, in the end 21, of shank 23 ofsquare cross-section, of the tooth-brush II. The head III, of whichbrush is oflset by an angular connection 3|, between the head andv shankand whereby the brush will receive and fit into the cap l5, when theshank 23, is telescoped as far as possible into the compartmerit H. Thepin 25, centers the shank within the case.

A spacer and guide disk 32, is secured into the end 33, of the barrelII, which disk is provided with a square opening 34, there-through forthe passage of said shank 28, and which forms a stop for the pin 25, tolimit the out movement of the shank. The shank 28 is of poly-sided orsquare cross-section to fit opening 34 and hold the shank and brushagainst turning. Extending from the opening 34, is a slot 35, for thepassage of a pin 35, projecting through the shank and spaced from thepin 25, whereby after passing outwardly of the member 32 it may bepushed down through its bore ii, in which it frictionally seats tostabilize the shank and hold the same extended. When it is desired toreturn the shank the pin 56 is again pushed up to align with said slot35.

The cap i5, is provided with air vents 38, for ventilation of the brush29. A clip 39, is provided whereby the device may be secured to apocket.

From the foregoing specification it will become apparent that theinvention disclosed will adequately accomplish the functions for whichit has been designed and in an economical manner and thatits-simplicity, accuracy and ease of operation are such as to provide arelatively inexpensive device considering what it will accomplish andthat it will find an important place in the art to which it appertainswhen once placed on the market.

It is thought that persons skilled in the art to which the inventionrelates will be able to obtain a clear understanding of the inventionafter considering the description in connection with the drawings.

tion is regarded as unnecessary.

Changes in shape, size and rearrangement of details and parts such ascome within the purview of the invention claimed may be resorted to, inactual practice, if desired.

Having now described the invention that which is claimed to be new anddesired to beprocured by Letters Patent is:

1. The described device comprising a barrel having a compartment and atooth-brush havin a square shank telescopically operating in saidcompartment, said shank being centrally positioned in the compartment,means for centering the shank in the barrel, said means including anapertured disc plugging an end of the barrel, said Therefore, a morelengthy descriphaving a compartment and a tooth-brush having a centralshank telescopically operating in said compartment, 8. cross-pin throughthe shank near its inner end for centering the shank in the barrel,

an apertured disc plugging an end of the barrel and having a holeslidabiy receiving the shank and holding the shank against turning and aslot extending from .the hole, and a sine pin in the shank spaced fromthe cross-pin and adapted to pass through the slot into the compartmentwith the shank and outwardly thereof with the disc between the pins toprevent inward movement Of the brush and shank when extended.

3. The described device comprising a barrel having a compartment and atooth-brush having a central shank telescopically operating in said. 5

compartment, means for centering the shank in the barrel, said meansincluding an apertured disc plugging an end or the barrel through whichthe shank is slidable and held from turning and a cross-member on theinner end of the shank ensuing the inner surface of the barrelcompartment and inner face of the disc to limit the outward movement 01'the brush and shank, means for holding the shank extended, said lastnamed means consisting of a slide-pin in the shank spaced from thecross-pin. the disc having a slot extending from the aperture 01' thedisc through which the slide-pin is adapted to Pass and engage the outerface of the disc to prevent inward movement of the brush and shank.

MATTHEW J. MOLUMBY.

LEON F. MOLUMBY.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES EATENTS Schmerler Aug. 9, 1921

